diff --git a/FilesProvider.xcodeproj/project.pbxproj b/FilesProvider.xcodeproj/project.pbxproj
index a2cf430..e4039d9 100644
--- a/FilesProvider.xcodeproj/project.pbxproj
+++ b/FilesProvider.xcodeproj/project.pbxproj
@@ -1124,7 +1124,7 @@
 				);
 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
-				INFOPLIST_FILE = FilesProviderTests/Info.plist;
+				INFOPLIST_FILE = Tests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = YES;
@@ -1158,7 +1158,7 @@
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
-				INFOPLIST_FILE = FilesProviderTests/Info.plist;
+				INFOPLIST_FILE = Tests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = NO;
diff --git a/Tests/FilesProviderTests.swift b/Tests/FilesProviderTests.swift
index dea39f3..9683ff2 100644
--- a/Tests/FilesProviderTests.swift
+++ b/Tests/FilesProviderTests.swift
@@ -21,23 +21,40 @@ class FilesProviderTests: XCTestCase {
     }
     
     func testLocal() {
-        let localProvider = LocalFileProvider()
-        testBasic(localProvider)
-        testOperations(localProvider)
+        let provider = LocalFileProvider()
+        testBasic(provider)
+        testOperations(provider)
     }
     
     func testWebDav() {
-        let webdavURL = URL(string: "https://dav.box.com/dav")!
-        let webdavProvider = WebDAVFileProvider(baseURL: webdavURL, credential: nil)!
-        testOperations(webdavProvider)
+        guard let urlStr = ProcessInfo.processInfo.environment["webdav_url"] else { return }
+        let url = URL(string: urlStr)!
+        let cred: URLCredential?
+        if let user = ProcessInfo.processInfo.environment["webdav_user"], let pass = ProcessInfo.processInfo.environment["webdav_password"] {
+            cred = URLCredential(user: user, password: pass, persistence: .forSession)
+        } else {
+            cred = nil
+        }
+        let provider = WebDAVFileProvider(baseURL: url, credential: cred)!
+        testOperations(provider)
     }
     
     func testDropbox() {
-        
+        guard let user = ProcessInfo.processInfo.environment["dropbox_user"], let pass = ProcessInfo.processInfo.environment["dropbox_token"] else {
+            return
+        }
+        let cred = URLCredential(user: user, password: pass, persistence: .forSession)
+        let provider = DropboxFileProvider(credential: cred)
+        testOperations(provider)
     }
     
     func testOneDrive() {
-        
+        guard let user = ProcessInfo.processInfo.environment["onedrive_user"], let pass = ProcessInfo.processInfo.environment["onedrive_token"] else {
+            return
+        }
+        let cred = URLCredential(user: user, password: pass, persistence: .forSession)
+        let provider = OneDriveFileProvider(credential: cred)
+        testOperations(provider)
     }
     
     /*